CN201660466U - Online recycling and treatment system for electroplating waste water containing heavy metal ions - Google Patents
Online recycling and treatment system for electroplating waste water containing heavy metal ions Download PDFInfo
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- CN201660466U CN201660466U CN2010201357403U CN201020135740U CN201660466U CN 201660466 U CN201660466 U CN 201660466U CN 2010201357403 U CN2010201357403 U CN 2010201357403U CN 201020135740 U CN201020135740 U CN 201020135740U CN 201660466 U CN201660466 U CN 201660466U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses an online recycling and treatment system for electroplating waste water containing heavy metal ions, which belongs to the waste water treatment in electroplating industry and aims to solve the problem of high waste water treatment cost in the prior art. The online recycling and treatment system comprises of a sand filter, at least one ion exchanger, a plurality of lift pumps, a washing tank, a waste water desorption tank, a water tank, a heater, another water tank and an electroplating water tank. The online recycling and treatment system can be used for online recycling and treatment of waste water in electroplating industry.
Description
Technical field
The utility model relates to the Waste Water Treatment that electroplating industry produces, and relates in particular to a kind of online recycling processing system of electroplating wastewater that contains heavy metal ion.
Background technology
At present, the electroplating wastewater that contains heavy metal ion of electroplating industry generation mainly contains following processing mode:
First kind is after equalizing tank is collected in the electroplating wastewater unification that contains heavy metal ion, by adding the heavy metal ion in alkali and the relevant flocculation agent post precipitation removal waste water, makes the heavy metal ion in the waste water reach discharging standards.But in actual moving process, because contain multiple chelating agent in the electroplating integrated waste water and sequestrant (incomplete as broken cyanide, the cuprammonium complexing ion that burnt copper waste water contains etc.), make some heavy metal from, become chelation structure or chelate structure and can't remove by intermediate processing, be not quite similar because of the pH value of various heavy metal ion simultaneously because of best flocculation sediment, cause contents of many kinds of heavy metal ion mixed precipitation after regular meeting has the discharging of one or more heavy metal ion to surpass discharging standards, thereby cause the high fine of pollution and enterprise in river or revoke punishment such as pollutant discharging license;
Second kind of processing mode is electroplating wastewater by strainer and ion exchange treatment device with suspended impurity in the waste water and removal of heavy metal ions.This kind processing mode can guarantee that the heavy metal ion discharging can not exceed standard, but dense waste liquid that the saturated back of ion-exchange desorption produces and regenerated liquid are because concentration is relatively low, do not meet the coating bath tank liquor concentration requirement of Electroplating Production, therefore can only transfer to the unit recovery processing again of dangerous offal treatment qualification as dense waste liquid, therefore the entire treatment process can't realize heavy metal line reuse again, also will spend higher relatively dense liquid waste disposal expense and resin desorption, regenerated expense.
The utility model content
Sand-bed filter is used for removing the suspended impurity of described waste water;
At least one ion-exchanger is used for removing the heavy metal ion of described waste water;
First lift pump is used for the waste water through described sand-bed filter is promoted to described ion-exchanger;
Rinse tank is used to receive the waste water through described ion-exchanger;
The desorption waste liquid tank is used to receive the desorption waste liquid;
At least one vaporizer is used for evaporating the water of desorption waste liquid;
Second lift pump is used for the desorption waste liquid of described desorption waste liquid tank is imported in the described vaporizer;
Wherein, the bottom of described sand-bed filter links to each other with the water-in of described first lift pump, the water outlet of described first lift pump links to each other with the top of described ion-exchanger, the bottom of described ion-exchanger links to each other with described rinse tank, the bottom of described ion-exchanger links to each other with described desorption waste liquid tank, the bottom of described desorption waste liquid tank links to each other with the water-in of described second lift pump, and the water outlet of described second lift pump links to each other with described vaporizer, and the top of described vaporizer links to each other with described rinse tank;
Tank is used for storage of water;
Well heater is used for described water is heated;
The 3rd lift pump is used for the water of described tank is promoted in the described well heater;
Electric bath groove; Be used to receive concentrated solution;
Wherein, the water-in of described the 3rd lift pump links to each other with the bottom of described tank, the water outlet of described the 3rd lift pump links to each other with the water-in of described well heater, and the water outlet of described well heater inserts heat transfer tube in the described vaporizer and links to each other with described tank and form closed cycle; The bottom of described vaporizer links to each other with electric bath groove.
Compare with traditional technology, the electroplating wastewater that contains heavy metal ion is removed suspended impurity through strainer, removes heavy metal ion through ion-exchanger again, contains the heavy metal ion of minute quantity through the waste water behind the ion-exchanger, can be directly used in electroplate rinsing, recycle.And concentrate through well heater and vapo(u)rization system through the desorption waste liquid that contains heavy metal ion of desorption and regeneration, the water vapour that is evaporated enters the workshop rinse tank and is directly used in rinsing after condensation, the heavy metal ion that is concentrated is then got back to the workshop plating tank and is used for plated metal, thereby realize that electroplating wastewater and heavy metal ion recycle, and reach the purpose of saving cost.
Description of drawings
Fig. 1 contains the online recycling processing system synoptic diagram of electroplating wastewater of heavy metal ion for the utility model;
Fig. 2 contains the online recycling processing system synoptic diagram of electroplating wastewater of heavy metal ion for another kind of the utility model.
The reference numeral explanation:
1 sand-bed filter; 2 ion-exchangers; 3 first lift pumps; 4 rinse tanks; 5 desorption waste liquid tanks; 6 vaporizers; 7 second lift pumps; 8 the 4th lift pumps; 9 tanks; 10 well heaters; 11 the 3rd lift pumps; 12 electric bath grooves; 13 carbon filters; 14 the 5th lift pumps.
Embodiment
The object of the present invention is to provide a kind of cost-saved online recycling processing system of the electroplating wastewater that contains heavy metal ion.Below in conjunction with embodiment the utility model is described in detail.
Present embodiment provides a kind of online recycling processing system of electroplating wastewater that contains heavy metal ion.As shown in Figure 1, a kind of online recycling processing system of electroplating wastewater that contains heavy metal ion comprises that (the utility model treatment system is provided with at least one ion-exchanger for sand-bed filter 1, ion-exchanger, present embodiment is provided with two ion-exchangers, being respectively ion-exchanger A and ion-exchanger B) 2, first lift pump 3, rinse tank 4, desorption waste liquid tank 5, (the utility model treatment system is provided with at least one vaporizer to vaporizer 6, present embodiment is provided with 3 vaporizers, is respectively vaporizer A, vaporizer B, vaporizer C), second lift pump 7, the 4th lift pump 8;
Wherein, the bottom of sand-bed filter links to each other by the water-in of catheter with first lift pump, the water outlet of first lift pump links to each other by the top of catheter with ion-exchanger B, the bottom of ion-exchanger B links to each other by the water-in of catheter with the 4th lift pump, the water outlet of the 4th lift pump links to each other by the top of catheter with ion-exchanger A, and rinse tank is inserted by catheter in the bottom of ion-exchanger A; Ion-exchanger A links to each other with the desorption waste liquid tank by catheter with the bottom of ion-exchanger B, the bottom of desorption waste liquid tank links to each other with the water-in of second lift pump, the water outlet of second lift pump links to each other with vaporizer C, the bottom of vaporizer C links to each other with vaporizer B by catheter, and the bottom of vaporizer B links to each other with vaporizer A by catheter; And the heat transfer tube of described vaporizer B is inserted at the top of vaporizer A by the insulation vapour pipe, the heat transfer tube of vaporizer C is inserted at the top of vaporizer B by the insulation vapour pipe, the heat transfer tube of the heat transfer tube of vaporizer B and vaporizer C inserts the workshop rinse tank by condensate pipe, in the present embodiment, in order to make full use of heat energy, flow in the rinse tank of workshop after the heat transfer tube of the heat transfer tube of vaporizer B and vaporizer C inserted heat transfer tube in the desorption waste liquid tank.
Electroplating wastewater is through removing suspended impurity wherein behind the sand-bed filter, enter among ion-exchanger B, the ion-exchanger A through lift pump again, remove heavy metal ion wherein, the waste water quality after two ion-exchangers are handled satisfies the electroplating rinse water water quality requirement directly to be got back in the rinse tank and recycles.When the resin among the ion-exchanger B is saturated, the adsorptive power of resin is also stronger relatively among the ion-exchanger A, concentration of heavy metal ion in the feasible waste water behind ion-exchanger A does not go out near survey, after treating the resin desorption and regeneration of ion-exchanger B, effluent containing heavy metal ions changes by passing through ion-exchanger B again behind the process ion-exchanger A, so circulation can guarantee that the waste water quality after heavy metal ion is adsorbed to greatest extent and handles satisfies the rinse water water quality requirement.
After ion exchange resin absorption is saturated,, be reused for the absorption of heavy metal ion by desorption, regeneration.The desorption waste liquid that contains 5～10wt% heavy metal ion of desorption and regeneration enters into the desorption waste liquid tank, enter into vaporizer C through second lift pump again, desorption waste liquid among the vaporizer C flows automatically among the vaporizer B according to liquid level difference, and the desorption waste liquid among the vaporizer B flows automatically among the vaporizer A according to liquid level difference.
The utility model also comprises: tank 9, well heater 10, the 3rd lift pump 11, electric bath groove 12;
Wherein, the water-in of the 3rd lift pump links to each other with tank, and the water outlet of the 3rd lift pump links to each other with the water-in of well heater by catheter, and in order to reduce thermosteresis, present embodiment adopts the pure water insulating pipe; The water outlet of well heater links to each other with tank by catheter and forms closed cycle, in the present embodiment, adopt the insulation vapour pipe in order to reduce thermosteresis, this insulation vapour pipe links to each other with the heat transfer tube of vaporizer A, and this heat transfer tube inserts in the tank by condensate pipe and forms closed cycle.
In order to meet processing condition, the water temperature in the tank keeps 90 ℃ and is advisable.Water in this tank arrives in the solar energy heat collection pipe by the 3rd lift pump and pure water insulating pipe and is subjected to the thermogenesis water vapor, this water vapor arrives in the heat transfer tube of vaporizer A through the insulation vapour pipe, heat release in vaporizer A, make that the moisture in the desorption waste liquid is subjected to thermogenesis steam among the vaporizer A, the steam of this generation enters heat release in the heat transfer tube of vaporizer B by being connected on insulation vapour pipe among the vaporizer A, make that the moisture in the desorption waste liquid is subjected to thermogenesis steam among the vaporizer B, the steam of this generation enters heat release in the heat transfer tube of vaporizer C by being connected on insulation vapour pipe among the vaporizer B again.Can make full use of the heat energy that vaporizer produces like this.Heat transfer tube among vaporizer B and the vaporizer C flows in the rinse tank of workshop after inserting heat transfer tube in the desorption waste liquid tank by prolong, the heavy metal ion that is concentrated in vaporizer A is then got back in the plating tank of workshop, realizes that so the online of electroplating wastewater and heavy metal ion recycles.
The utility model is owing to adopt classification exchange heavy metal ion, less demanding for the ion exchange resin selectivity, adsorb be easier to relative with desorption, therefore the selectable scope of employed resin is wider relatively, and cost is lower, reduces the disposable input of ion exchange system greatly and change tree to refer to expense;
In the present embodiment, well heater adopts the converging vacuum glass soalr energy main (to invent artificial Mr. Xu Hongsheng, patent of invention number is ZL001175513) temperature reaches as high as 350 ℃, can effectively heat water generates steam, general fine needed 20 minutes just have steam to produce, and one square of solar machine hot plate is equivalent to the electric power of 500W.During as overcast and rainy or night, be power frequency evaporation producer because of what do not have sun employing, its working hour section is generally at 11 o'clock in evening to 7 peak interval of time work in second day during night;
Utilize the carrier of pure water simultaneously as sun power and the heating of power frequency vapour generator, greatly reduce material requirement to heating installation, thereby utilize the higher heavy metal ion waste liquid of solar thermal collection system evaporation concentration corrodibility to become possibility, and avoided fouling in heat transfer tube, solar energy heat collection pipe, the power frequency vapour generator, reduced its inner wall anti-corrosive requirement, common material gets final product, greatly reduce the cost of equipment, and reduced the disposable input expense of equipment and operation and maintenance cost in the future;
The utility model is owing to select common ion exchange resin for use and handle electroplated heavy metals ion poaching wastewater by sun power and peak valley electric energy, the first mate that not only can realize the electroplating wastewater processing expense descends, simultaneously can realize the online recovery of corresponding resource, turn waste into wealth, the greatly minimizing disposal of pollutants of degree, effectively utilize clean energy, can realize energy-saving and emission-reduction truly, the purpose of saving cost.
As shown in Figure 2, when carrying out nickel plating technology, contain a large amount of organic colloids in the waste water, between sand-bed filter and ion-exchanger, can add a carbon filter 13 and the 5th lift pump 14 this moment, to remove the organic colloid in the waste water.Wherein, the water outlet of first lift pump links to each other with the top of carbon filter through catheter, and the water outlet of carbon filter links to each other with the water-in of the 5th lift pump through catheter, and the water outlet of the 5th lift pump links to each other with the top of ion-exchanger by catheter.The waste water that contains heavy metal is so at first removed suspended impurity through sand-bed filter, removes organic colloid through carbon filter again, removes heavy metal ion through ion-exchanger again.The online reuse process of the desorption waste liquid behind its desorption and regeneration is ditto described.
Those skilled in the art can carry out various changes and modification to the present invention and not break away from aim of the present invention and scope.If these are changed and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. online recycling processing system of electroplating wastewater that contains heavy metal ion is characterized in that: comprising:
Sand-bed filter is used for removing the suspended impurity of described waste water;
At least one ion-exchanger is used for removing the heavy metal ion of described waste water;
First lift pump is used for the waste water through described sand-bed filter is promoted to described ion-exchanger;
Rinse tank is used to receive the waste water through described ion-exchanger;
The desorption waste liquid tank is used to receive the desorption waste liquid;
At least one vaporizer is used for evaporating the water of desorption waste liquid;
Second lift pump is used for the desorption waste liquid of described desorption waste liquid tank is imported in the described vaporizer;
Wherein, the bottom of described sand-bed filter links to each other with the water-in of described first lift pump, the water outlet of described first lift pump links to each other with the top of described ion-exchanger, the bottom of described ion-exchanger links to each other with described rinse tank, the bottom of described ion-exchanger links to each other with described desorption waste liquid tank, the bottom of described desorption waste liquid tank links to each other with the water-in of described second lift pump, and the water outlet of described second lift pump links to each other with described vaporizer, and the top of described vaporizer links to each other with described rinse tank;
Tank is used for storage of water;
Well heater is used for described water is heated;
The 3rd lift pump is used for the water of described tank is promoted in the described well heater;
Electric bath groove; Be used to receive concentrated solution;
Wherein, the water-in of described the 3rd lift pump links to each other with the bottom of described tank, the water outlet of described the 3rd lift pump links to each other with the water-in of described well heater, and the water outlet of described well heater inserts heat transfer tube in the described vaporizer and links to each other with described tank and form closed cycle; The bottom of described vaporizer links to each other with electric bath groove.
2. system according to claim 1 is characterized in that; Comprise three vaporizers, vaporizer A, vaporizer B and vaporizer C, the heat transfer tube that the water outlet of described well heater inserts described vaporizer A links to each other with described tank, the heat transfer tube of described vaporizer B is inserted at the top of described vaporizer A, the heat transfer tube of described vaporizer C is inserted at the top of described vaporizer B, the heat transfer tube of the heat transfer tube of described vaporizer B and described vaporizer C inserts in the described rinse tank, and the bottom of described vaporizer A links to each other with plating tank.
3. system according to claim 2, it is characterized in that: comprise two ion-exchangers, ion-exchanger A and ion-exchanger B, wherein, the water outlet of described first lift pump links to each other with the top of described ion-exchanger B, described ion-exchanger B links to each other with described ion-exchanger A by the 4th lift pump, the bottom of described ion-exchanger B links to each other with the water-in of described the 4th lift pump, the water outlet of described the 4th lift pump links to each other with the top of described ion-exchanger A, and the bottom of described ion-exchanger A links to each other with described rinse tank.
4. system according to claim 3, it is characterized in that: also comprise carbon filter and lift pump 5, the water outlet of described first lift pump links to each other with the top of described carbon filter, the bottom of described carbon filter links to each other with the water-in of described the 5th lift pump, and the water outlet of described the 5th lift pump links to each other with the top of described ion-exchanger B.
5. system according to claim 1 is characterized in that: described well heater is solar energy heat collection pipe or power frequency Steam generating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201357403U CN201660466U (en) | 2010-03-19 | 2010-03-19 | Online recycling and treatment system for electroplating waste water containing heavy metal ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201357403U CN201660466U (en) | 2010-03-19 | 2010-03-19 | Online recycling and treatment system for electroplating waste water containing heavy metal ions |
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| CN201660466U true CN201660466U (en) | 2010-12-01 |
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| CN2010201357403U Expired - Lifetime CN201660466U (en) | 2010-03-19 | 2010-03-19 | Online recycling and treatment system for electroplating waste water containing heavy metal ions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324542A (en) * | 2011-07-28 | 2012-01-18 | 西安交通大学 | Device for coprocessing heavy metal waste water and organic waste water and generating electric power |
| CN107803319A (en) * | 2017-11-13 | 2018-03-16 | 林州朗坤科技有限公司 | A kind of NMP recovery purification systems and its recovery method of purification |
| CN113754122A (en) * | 2021-09-18 | 2021-12-07 | 南京昆腾化工科技有限公司 | Process for removing sodium by returning electroplating heavy metal ions to tank |
| CN113754125A (en) * | 2021-09-18 | 2021-12-07 | 南京昆腾化工科技有限公司 | Recycling process of electroplating heavy metal ions and water |
-
2010
- 2010-03-19 CN CN2010201357403U patent/CN201660466U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324542A (en) * | 2011-07-28 | 2012-01-18 | 西安交通大学 | Device for coprocessing heavy metal waste water and organic waste water and generating electric power |
| CN107803319A (en) * | 2017-11-13 | 2018-03-16 | 林州朗坤科技有限公司 | A kind of NMP recovery purification systems and its recovery method of purification |
| CN113754122A (en) * | 2021-09-18 | 2021-12-07 | 南京昆腾化工科技有限公司 | Process for removing sodium by returning electroplating heavy metal ions to tank |
| CN113754125A (en) * | 2021-09-18 | 2021-12-07 | 南京昆腾化工科技有限公司 | Recycling process of electroplating heavy metal ions and water |
| CN113754122B (en) * | 2021-09-18 | 2022-11-25 | 南京昆腾化工科技有限公司 | Process for removing sodium by returning electroplating heavy metal ions to tank |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |